[pve-devel] vm migration + storage migration with ndb workflow notes

[Dietmar Maurer]

> > I just think this is enough for remote migration.
> >
> > For local VMs we can have storage migration between any accessible
> storage.
> >
> I second this.
> 
> Just a thought: Would it not be of interest for the users to be able to change
> storage format?
> 
> eg.
> hostX:$vmid/vm-$vmid-disk-N.{raw,qcow2} -> hostY:$vmid/vm-$vmid-disk-
> N.{raw,qcow2}

Yes, I guess that is easy to implement (for local storage migration).

> Both drive-mirror and qemu-img convert can do this on the fly and some
> format change needs to be supported anyway if storage change from file
> system to block device.

Would it be possible to do all work using 'qmp' commands. We can simply start the VM
if the VM is offline (paused state). I currently do that with the new backup code.

I guess that would make the whole thing much simpler?